Skynet-5D: Military satellite's classified tech

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A powerful new telecommunications satellite is being launched on Wednesday for the British military.

The Skynet-5D spacecraft is the final piece in a multi-billion-pound system that enables UK forces to stay connected wherever they are deployed in the world.

Because it is a military system, Skynet has been designed to evade enemy jamming and eavesdropping, and as such contains a number of classified technologies.

BBC science correspondent Jonathan Amos was granted special access to the spacecraft before its launch.

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